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About Html Validator
The HTML Validator is a free online tool that validates HTML code for syntax errors and standards compliance. Helps ensure your markup is clean and error-free.
How to Use Html Validator
Paste your HTML code in the input area
Click Validate to check for errors
View any issues with line numbers
Fix errors and re-validate your code
Common Use Cases
Checking HTML for errors before deployment
Validating email templates for compatibility
Ensuring markup meets web standards
Frequently Asked Questions
How does the HTML Validator is a free online tool that validates HTML code for syntax errors and standards compliance work?
Simply follow the on-screen instructions. All processing happens in your browser - no data is sent to our servers.
Is this tool free to use?
Yes, completely free. No sign-up, no limits, no hidden fees. Use it as many times as you need.
Is my data safe?
Yes. All processing happens directly in your browser. Your data is never sent to or stored on our servers.
Can I use this on mobile?
Yes, the tool is fully responsive and works on all devices including smartphones and tablets.